CVE-2021-38614

View on CVE.org

Published Aug 12, 2021 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed

Description

Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.2% (1.193% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://www.openwall.com/lists/oss-security/2021/07/28/2

History

Feb 24, 2026 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Polipo Project Polipo

Weaknesses

CWE-787

Sources

CVE record Updated: Aug 4, 2024, 1:44 AM

Status: PUBLISHED
Assigner: mitre
Published: Aug 12, 2021, 10:17 PM
Updated: Aug 4, 2024, 1:44 AM
Reserved: Aug 12, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 1:44 AM

Updated: Aug 4, 2024, 1:44 AM

NVD Updated: Jun 17, 2026, 4:02 AM

Status: Modified
Published: Aug 12, 2021, 11:15 PM
Modified: Jun 17, 2026, 4:02 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer"}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-12T22:17:55.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2021/07/28/2"}], "tags": ["unsupported-when-assigned"], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-38614", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "** UNSUPPORTED WHEN ASSIGNED ** Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.openwall.com/lists/oss-security/2021/07/28/2", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2021/07/28/2"}]}}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-787", "lang": "en", "description": "CWE-787 Out-of-bounds Write"}]}], "affected": [{"vendor": "polipo_project", "product": "polipo", "cpes": ["cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.1.1", "versionType": "custom"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-07-19T17:52:37.848767Z", "id": "CVE-2021-38614", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-19T18:05:17.516Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:44:23.676Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2021/07/28/2"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-38614", "datePublished": "2021-08-12T22:17:55.000Z", "dateReserved": "2021-08-12T00:00:00.000Z", "dateUpdated": "2024-08-04T01:44:23.676Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.openwall.com/lists/oss-security/2021/07/28/2", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:44:23.676Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-38614", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-07-19T17:52:37.848767Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:*"], "vendor": "polipo_project", "product": "polipo", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "1.1.1"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-19T18:05:10.817Z"}}], "cna": {"tags": ["unsupported-when-assigned"], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://www.openwall.com/lists/oss-security/2021/07/28/2", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2021-08-12T22:17:55.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "n/a"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://www.openwall.com/lists/oss-security/2021/07/28/2", "name": "https://www.openwall.com/lists/oss-security/2021/07/28/2", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "** UNSUPPORTED WHEN ASSIGNED ** Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-38614", "STATE": "PUBLIC", "ASSIGNER": "cve@mitre.org"}}}}, "cveMetadata": {"cveId": "CVE-2021-38614", "state": "PUBLISHED", "dateUpdated": "2024-08-04T01:44:23.676Z", "dateReserved": "2021-08-12T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2021-08-12T22:17:55.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"cpes": ["cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "polipo", "vendor": "polipo_project", "versions": [{"lessThanOrEqual": "1.1.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:*", "matchCriteriaId": "53093401-34EA-440D-A44B-5F013293EAC9", "versionEndIncluding": "1.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer"}, {"lang": "es", "value": "** NO SOPORTADO CUANDO SE ASIGN\u00d3 ** Polipo versiones hasta 1.1.1, cuando se usa NDEBUG, permite un desbordamiento de b\u00fafer en la pila durante el an\u00e1lisis de un encabezado de Rango. NOTA: Esta vulnerabilidad solo afecta a los productos que ya no son compatibles con el mantenedor."}], "id": "CVE-2021-38614", "lastModified": "2026-06-17T04:02:26.770", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-38614", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-07-19T17:52:37.848767Z", "version": "2.0.3"}}]}, "published": "2021-08-12T23:15:09.143", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2021/07/28/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2021/07/28/2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}